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Finding the Third Proportional to 336,876 and 505,317

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Solution

The third proportional to 336,876 and 505,317 is: 757,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,876 : 505,317 = 505,317 : x
  2. Step 2: Convert to fraction form
    336,876/505,317 = 505,317/x
  3. Step 3: Cross multiply
    336,876x = 505,317 × 505,317
  4. Step 4: Simplify right side
    336,876x = 255,345,270,489
  5. Step 5: Solve for x
    x = 255,345,270,489/336,876
  6. Step 6: Final answer
    x = 757,980.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.